IOSpec: remove patch

Closes https://github.com/NixOS/nixpkgs/pull/7514.

pkgs/development/haskell-modules/IOSpec-fix-ghc710.patch

@@ -1,89 +0,0 @@
-diff -ru3 IOSpec-0.2.5-old/src/Test/IOSpec/STM.hs IOSpec-0.2.5/src/Test/IOSpec/STM.hs
---- IOSpec-0.2.5-old/src/Test/IOSpec/STM.hs	2015-04-17 21:32:51.062498481 +0300
-+++ IOSpec-0.2.5/src/Test/IOSpec/STM.hs	2015-04-17 21:39:50.451032159 +0300
-@@ -23,6 +23,7 @@
- import Data.Dynamic
- import Data.Maybe (fromJust)
- import Control.Monad.State
-+import Control.Monad (ap)
- 
- -- The 'STMS' data type and its instances.
- --
-@@ -67,14 +68,18 @@
-   fmap _ Retry              = Retry
-   fmap f (OrElse io1 io2)   = OrElse (fmap f io1) (fmap f io2)
- 
-+instance Applicative STM where
-+  pure  = STMReturn
-+  (<*>) = ap
-+
- instance Monad STM where
--    return                = STMReturn
--    STMReturn a >>= f     = f a
--    NewTVar d g >>= f     = NewTVar d (\l -> g l >>= f)
--    ReadTVar l g >>= f    = ReadTVar l (\d -> g d >>= f)
--    WriteTVar l d p >>= f = WriteTVar l d (p >>= f)
--    Retry >>= _           = Retry
--    OrElse p q >>= f      = OrElse (p >>= f) (q >>= f)
-+  return                = STMReturn
-+  STMReturn a >>= f     = f a
-+  NewTVar d g >>= f     = NewTVar d (\l -> g l >>= f)
-+  ReadTVar l g >>= f    = ReadTVar l (\d -> g d >>= f)
-+  WriteTVar l d p >>= f = WriteTVar l d (p >>= f)
-+  Retry >>= _           = Retry
-+  OrElse p q >>= f      = OrElse (p >>= f) (q >>= f)
- 
- -- | A 'TVar' is a shared, mutable variable used by STM.
- newtype TVar a = TVar Loc
-diff -ru3 IOSpec-0.2.5-old/src/Test/IOSpec/Types.hs IOSpec-0.2.5/src/Test/IOSpec/Types.hs
---- IOSpec-0.2.5-old/src/Test/IOSpec/Types.hs	2015-04-17 21:32:51.062498481 +0300
-+++ IOSpec-0.2.5/src/Test/IOSpec/Types.hs	2015-04-17 21:37:02.306575081 +0300
-@@ -15,6 +15,8 @@
-   , inject
-   ) where
- 
-+import Control.Monad (ap)
-+
- -- | A value of type 'IOSpec' @f@ @a@ is either a pure value of type @a@
- -- or some effect, determined by @f@. Crucially, 'IOSpec' @f@ is a
- -- monad, provided @f@ is a functor.
-@@ -26,6 +28,10 @@
-   fmap f (Pure x)   = Pure (f x)
-   fmap f (Impure t) = Impure (fmap (fmap f) t)
- 
-+instance (Functor f) => Applicative (IOSpec f) where
-+  pure             = Pure
-+  (<*>)            = ap
-+
- instance (Functor f) => Monad (IOSpec f) where
-   return           = Pure
-   (Pure x) >>= f   = f x
-@@ -61,4 +67,4 @@
-     inj = Inr . inj
- 
- inject :: (g :<: f) => g (IOSpec f a) -> IOSpec f a
--inject = Impure . inj
-\ No newline at end of file
-+inject = Impure . inj
-diff -ru3 IOSpec-0.2.5-old/src/Test/IOSpec/VirtualMachine.hs IOSpec-0.2.5/src/Test/IOSpec/VirtualMachine.hs
---- IOSpec-0.2.5-old/src/Test/IOSpec/VirtualMachine.hs	2015-04-17 21:32:51.062498481 +0300
-+++ IOSpec-0.2.5/src/Test/IOSpec/VirtualMachine.hs	2015-04-17 21:39:47.222044580 +0300
-@@ -43,6 +43,7 @@
- import qualified Data.Stream as Stream
- import Test.IOSpec.Types
- import Test.QuickCheck
-+import Control.Monad (ap)
- 
- type Data         = Dynamic
- type Loc          = Int
-@@ -211,6 +212,10 @@
-   fmap f (Print c t) = Print c (fmap f t)
-   fmap _ (Fail msg) = Fail msg
- 
-+instance Applicative Effect where
-+  pure = Done
-+  (<*>) = ap
-+
- instance Monad Effect where
-   return = Done
-   (Done x) >>= f = f x

pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix

@@ -217,9 +217,6 @@ self: super: {
   brainfuck = appendPatch super.brainfuck ./brainfuck-fix-ghc710.patch;
   unlambda = appendPatch super.unlambda ./unlambda-fix-ghc710.patch;
 
-  # Sent e-mail to the maintainer.
-  IOSpec = appendPatch super.IOSpec ./IOSpec-fix-ghc710.patch;
-
   # Updated Cabal file from Hackage tightened version bounds for some reason.
   edit-distance = let pkg = appendPatch super.edit-distance ./edit-distance-fix-boundaries.patch;
                   in appendPatch pkg (pkgs.fetchpatch {